Finding the Fourth Proportional to 11,003.34, 16,508.05 and 3,212.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.34 : 16,508.05 = 3,212.16 : x
2. Step 2: Convert to fraction form
   11,003.34/16,508.05 = 3,212.16/x
3. Step 3: Cross multiply
   11,003.34x = 16,508.05 × 3,212.16
4. Step 4: Simplify right side
   11,003.34x = 53,026,446.02
5. Step 5: Solve for x
   x = 53,026,446.02/11,003.34
6. Step 6: Final answer
   x = 4,819.12